With start/stop button and compatible with external switches to meet various control requirements. Features motor soft start function, allowing current to increase gradually at startup, eliminating inrush current and effectively protecting the motor to extend its service life. Adjustable duty cycle with upper and lower limits, as well as programmable operating frequency, enabling customization based on specific motor operating characteristics. Equipped with a digital encoder knob for precise and consistent motor speed adjustment, offering higher accuracy compared to standard potentiometer controls. Housed in a standard enclosure for easy installation. Chemical-free construction. Motor Type: DC Motor. Input Voltage: 12V/24V. Current Rating: 5A. Controller Color: Dark Gray. Material: ABS. Package Includes: 1 x Motor Controller. Note: Other items not included. Due to lighting effects and monitor settings, the actual color may vary slightly from the image. Measurement tolerance: +/- 1-3 cm.